diff --git a/.coveragerc b/.coveragerc
index da550cf..2465361 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -52,6 +52,7 @@ omit =
 	*/utils/banner.py
 	*/utils/logger.py
 	*/src/*
+	*/pdf_annotation.py
 
 ignore_errors = True
 
diff --git a/image_prediction/locations.py b/image_prediction/locations.py
index c6c314a..1f14c1a 100644
--- a/image_prediction/locations.py
+++ b/image_prediction/locations.py
@@ -8,8 +8,6 @@ PACKAGE_ROOT_DIR = MODULE_DIR.parents[0]
 
 CONFIG_FILE = PACKAGE_ROOT_DIR / "config.yaml"
 
-COVERAGERC = str(PACKAGE_ROOT_DIR / ".coveragerc")
-
 BANNER_FILE = PACKAGE_ROOT_DIR / "banner.txt"
 
 DATA_DIR = PACKAGE_ROOT_DIR / "data"
diff --git a/image_prediction/transformer/transformers/coordinate/coordinate_transformer.py b/image_prediction/transformer/transformers/coordinate/coordinate_transformer.py
index 484f2a9..d713bf3 100644
--- a/image_prediction/transformer/transformers/coordinate/coordinate_transformer.py
+++ b/image_prediction/transformer/transformers/coordinate/coordinate_transformer.py
@@ -16,13 +16,17 @@ class CoordinateTransformer(Transformer):
     def forward(self, metadata):
         try:
             return self._forward(metadata)
+        # FIXME: test case not missing?? why is it missing for backward?
         except TypeError:
+            # FIXME: refactor tests so this is not necessary
             return list(map(self._forward, metadata))
 
     def backward(self, metadata):
         try:
             return self._backward(metadata)
+        # FIXME: test case missing
         except TypeError:
+            # FIXME: refactor tests so this is not necessary
             return list(map(self._backward, metadata))
 
     def transform(self, metadata):